M1.6 earthquake 45 km WNW of Happy Valley, Alaska

Magnitude

1.6 (ml), micro

Local time

Sat, Aug 7, 2021, 4:11 PM AKDT

UTC

2021-08-08 00:11:29 UTC

Depth

101.5 km (63.1 mi), intermediate-depth

Epicenter

60.110° N, 152.483° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

20

• Happy Valley, AlaskaPopulation 593. Forecast45 kmWNW
• Anchorage, AlaskaPopulation 289,600. Forecast187 kmSW

After

1. 1.516 km WSW of Anchor Point, AlaskaSat, Aug 7, 5:41 PM AKDT · 1876 days ago · 67 km deep · 45 km away
2. 1.942 km NE of Pedro Bay, AlaskaSat, Aug 7, 6:39 PM AKDT · 1876 days ago · 155 km deep · 58 km away
3. 1.637 km ENE of Pedro Bay, AlaskaSat, Aug 7, 7:09 PM AKDT · 1876 days ago · 125 km deep · 61 km away
4. 2.154 km W of Anchor Point, AlaskaSun, Aug 8, 9:36 AM AKDT · 1876 days ago · 92 km deep · 47 km away
5. 1.848 km W of Nanwalek, AlaskaSun, Aug 8, 3:48 PM AKDT · 1875 days ago · 75 km deep · 85 km away
6. 1.847 km ESE of Pedro Bay, AlaskaSun, Aug 8, 6:43 PM AKDT · 1875 days ago · 111 km deep · 68 km away
7. 2.356 km ENE of Pedro Bay, AlaskaSun, Aug 8, 8:06 PM AKDT · 1875 days ago · 122 km deep · 43 km away
8. 2.256 km WNW of Ninilchik, AlaskaSun, Aug 8, 9:39 PM AKDT · 1875 days ago · 110 km deep · 16 km away
9. 1.956 km ENE of Pedro Bay, AlaskaSun, Aug 8, 11:16 PM AKDT · 1875 days ago · 121 km deep · 43 km away
10. 2.049 km WNW of Ninilchik, AlaskaMon, Aug 9, 12:19 AM AKDT · 1875 days ago · 105 km deep · 17 km away
11. 1.546 km W of Nanwalek, AlaskaMon, Aug 9, 1:33 AM AKDT · 1875 days ago · 69 km deep · 81 km away
12. 1.629 km WNW of Nanwalek, AlaskaMon, Aug 9, 2:21 AM AKDT · 1875 days ago · 76 km deep · 71 km away
13. 1.616 km NNW of Ninilchik, AlaskaMon, Aug 9, 6:49 AM AKDT · 1875 days ago · 73 km deep · 43 km away
14. 1.943 km E of Pedro Bay, AlaskaMon, Aug 9, 11:48 AM AKDT · 1875 days ago · 120 km deep · 60 km away
15. 1.557 km W of Happy Valley, AlaskaMon, Aug 9, 12:22 PM AKDT · 1875 days ago · 96 km deep · 19 km away
16. 2.19 km WSW of Happy Valley, AlaskaMon, Aug 9, 4:04 PM AKDT · 1874 days ago · 79 km deep · 41 km away
17. 1.737 km W of Salamatof, AlaskaMon, Aug 9, 4:13 PM AKDT · 1874 days ago · 91 km deep · 69 km away
18. 1.932 km ENE of Pedro Bay, AlaskaMon, Aug 9, 7:58 PM AKDT · 1874 days ago · 138 km deep · 65 km away
19. 1.756 km WNW of Happy Valley, AlaskaTue, Aug 10, 2:34 AM AKDT · 1874 days ago · 89 km deep · 13 km away
20. 2.363 km E of Pedro Bay, AlaskaTue, Aug 10, 4:11 AM AKDT · 1874 days ago · 94 km deep · 52 km away
21. 1.93 km NNE of Diamond Ridge, AlaskaTue, Aug 10, 8:10 AM AKDT · 1874 days ago · 57 km deep · 69 km away
22. 2.066 km ENE of Pedro Bay, AlaskaTue, Aug 10, 9:07 AM AKDT · 1874 days ago · 115 km deep · 31 km away
23. 1.738 km E of Pedro Bay, AlaskaTue, Aug 10, 5:05 PM AKDT · 1873 days ago · 119 km deep · 63 km away
24. 1.863 km W of Anchor Point, AlaskaTue, Aug 10, 5:41 PM AKDT · 1873 days ago · 104 km deep · 42 km away
25. 2.250 km W of Nanwalek, AlaskaWed, Aug 11, 4:03 AM AKDT · 1873 days ago · 74 km deep · 86 km away
26. 2.311 km NE of Ninilchik, AlaskaWed, Aug 11, 7:08 AM AKDT · 1873 days ago · 74 km deep · 53 km away
27. 1.522 km WSW of Anchor Point, AlaskaWed, Aug 11, 11:07 AM AKDT · 1873 days ago · 68 km deep · 50 km away
28. 1.922 km ESE of Kasilof, AlaskaWed, Aug 11, 1:54 PM AKDT · 1873 days ago · 54 km deep · 90 km away
29. 1.553 km NW of Ninilchik, AlaskaThu, Aug 12, 2:51 AM AKDT · 1872 days ago · 91 km deep · 26 km away
30. 1.634 km ESE of Pedro Bay, AlaskaFri, Aug 13, 1:09 AM AKDT · 1871 days ago · 126 km deep · 71 km away
31. 1.663 km ENE of Pedro Bay, AlaskaFri, Aug 13, 1:33 AM AKDT · 1871 days ago · 116 km deep · 34 km away
32. 2.649 km W of Happy Valley, AlaskaFri, Aug 13, 5:15 PM AKDT · 1870 days ago · 97 km deep · 12 km away
33. 1.5Southern AlaskaFri, Aug 13, 9:49 PM AKDT · 1870 days ago · 87 km deep · 38 km away
34. 1.565 km ESE of Pedro Bay, AlaskaFri, Aug 13, 9:53 PM AKDT · 1870 days ago · 110 km deep · 62 km away
35. 3.942 km ENE of Pedro Bay, AlaskaSat, Aug 14, 2:35 AM AKDT · 1870 days ago · 149 km deep · 56 km away · felt by 1 · tsunami flag
36. 1.739 km E of Pedro Bay, AlaskaSat, Aug 14, 5:57 AM AKDT · 1870 days ago · 137 km deep · 60 km away
37. 1.613 km SW of Halibut Cove, AlaskaSat, Aug 14, 8:15 AM AKDT · 1870 days ago · 46 km deep · 92 km away
38. 1.863 km E of Pedro Bay, AlaskaSat, Aug 14, 2:01 PM AKDT · 1870 days ago · 106 km deep · 44 km away
39. 1.6Southern AlaskaSat, Aug 14, 5:38 PM AKDT · 1869 days ago · 131 km deep · 56 km away
40. 1.553 km E of Pedro Bay, AlaskaSun, Aug 15, 3:37 AM AKDT · 1869 days ago · 104 km deep · 52 km away
41. 2.752 km ENE of Pedro Bay, AlaskaSun, Aug 15, 4:58 AM AKDT · 1869 days ago · 133 km deep · 47 km away
42. 1.958 km ESE of Pedro Bay, AlaskaSun, Aug 15, 7:44 AM AKDT · 1869 days ago · 106 km deep · 65 km away
43. 2.317 km NW of Happy Valley, AlaskaSun, Aug 15, 1:18 PM AKDT · 1869 days ago · 83 km deep · 28 km away
44. 2.242 km NW of Ninilchik, AlaskaSun, Aug 15, 7:22 PM AKDT · 1868 days ago · 98 km deep · 28 km away
45. 1.513 km SW of Nanwalek, AlaskaSun, Aug 15, 7:47 PM AKDT · 1868 days ago · 57 km deep · 97 km away
46. 1.649 km WNW of Nanwalek, AlaskaMon, Aug 16, 12:07 AM AKDT · 1868 days ago · 73 km deep · 61 km away
47. 1.558 km W of Nanwalek, AlaskaMon, Aug 16, 1:29 AM AKDT · 1868 days ago · 67 km deep · 77 km away
48. 1.630 km WNW of Clam Gulch, AlaskaMon, Aug 16, 4:58 AM AKDT · 1868 days ago · 90 km deep · 45 km away
49. 1.752 km ESE of Pedro Bay, AlaskaMon, Aug 16, 4:59 AM AKDT · 1868 days ago · 104 km deep · 76 km away
50. 2.540 km NE of Pedro Bay, AlaskaMon, Aug 16, 8:42 AM AKDT · 1868 days ago · 151 km deep · 58 km away
51. 1.630 km SE of Pedro Bay, AlaskaMon, Aug 16, 8:46 AM AKDT · 1868 days ago · 112 km deep · 91 km away
52. 1.56 km NNE of Anchor Point, AlaskaMon, Aug 16, 9:18 AM AKDT · 1868 days ago · 57 km deep · 49 km away
53. 1.649 km E of Pedro Bay, AlaskaMon, Aug 16, 11:13 AM AKDT · 1868 days ago · 109 km deep · 50 km away
54. 2.422 km W of Nikiski, AlaskaMon, Aug 16, 1:27 PM AKDT · 1868 days ago · 73 km deep · 78 km away
55. 1.683 km W of Salamatof, AlaskaMon, Aug 16, 5:22 PM AKDT · 1867 days ago · 123 km deep · 63 km away
56. 2.280 km NW of Ninilchik, AlaskaMon, Aug 16, 6:27 PM AKDT · 1867 days ago · 113 km deep · 48 km away
57. 2.241 km ENE of Port Alsworth, AlaskaMon, Aug 16, 8:16 PM AKDT · 1867 days ago · 182 km deep · 66 km away
58. 1.868 km W of Happy Valley, AlaskaMon, Aug 16, 8:19 PM AKDT · 1867 days ago · 113 km deep · 26 km away
59. 1.765 km WNW of Ninilchik, AlaskaMon, Aug 16, 8:50 PM AKDT · 1867 days ago · 107 km deep · 24 km away
60. 1.869 km W of Salamatof, AlaskaMon, Aug 16, 10:32 PM AKDT · 1867 days ago · 122 km deep · 62 km away

The first 60 of at least 200.

Before

1. 1.552 km WNW of Anchor Point, AlaskaSat, Aug 7, 2:25 PM AKDT · 1877 days ago · 92 km deep · 29 km away
2. 2.034 km NW of Nanwalek, AlaskaSat, Aug 7, 1:04 PM AKDT · 1877 days ago · 64 km deep · 60 km away
3. 2.960 km E of Port Alsworth, AlaskaSat, Aug 7, 11:15 AM AKDT · 1877 days ago · 140 km deep · 42 km away
4. 1.652 km ENE of Pedro Bay, AlaskaSat, Aug 7, 6:48 AM AKDT · 1877 days ago · 139 km deep · 45 km away
5. 1.549 km WNW of Anchor Point, AlaskaSat, Aug 7, 6:44 AM AKDT · 1877 days ago · 100 km deep · 19 km away
6. 1.7Southern AlaskaSat, Aug 7, 6:19 AM AKDT · 1877 days ago · 130 km deep · 63 km away
7. 2.242 km E of Pedro Bay, AlaskaSat, Aug 7, 5:15 AM AKDT · 1877 days ago · 118 km deep · 60 km away
8. 1.558 km ENE of Pedro Bay, AlaskaSat, Aug 7, 5:09 AM AKDT · 1877 days ago · 130 km deep · 39 km away
9. 2.440 km E of Port Alsworth, AlaskaSat, Aug 7, 5:04 AM AKDT · 1877 days ago · 179 km deep · 62 km away
10. 2.070 km W of Salamatof, AlaskaFri, Aug 6, 1:12 PM AKDT · 1878 days ago · 114 km deep · 63 km away
11. 1.911 km SSW of Halibut Cove, AlaskaFri, Aug 6, 10:51 AM AKDT · 1878 days ago · 12 km deep · 94 km away
12. 2.113 km SSW of Halibut Cove, AlaskaFri, Aug 6, 10:28 AM AKDT · 1878 days ago · 5 km deep · 95 km away
13. 1.920 km NNW of Ninilchik, AlaskaFri, Aug 6, 8:30 AM AKDT · 1878 days ago · 71 km deep · 37 km away
14. 1.849 km E of Pedro Bay, AlaskaFri, Aug 6, 2:50 AM AKDT · 1878 days ago · 127 km deep · 49 km away
15. 2.364 km WNW of Nanwalek, AlaskaThu, Aug 5, 9:27 PM AKDT · 1878 days ago · 88 km deep · 70 km away
16. 2.458 km ENE of Pedro Bay, AlaskaThu, Aug 5, 8:53 PM AKDT · 1878 days ago · 123 km deep · 40 km away
17. 1.915 km ESE of Clam Gulch, AlaskaThu, Aug 5, 7:59 PM AKDT · 1878 days ago · 51 km deep · 76 km away
18. 3.842 km E of Port Alsworth, AlaskaThu, Aug 5, 7:36 PM AKDT · 1878 days ago · 184 km deep · 60 km away
19. 1.664 km WNW of Happy Valley, AlaskaThu, Aug 5, 6:26 PM AKDT · 1878 days ago · 113 km deep · 19 km away
20. 1.947 km ENE of Pedro Bay, AlaskaThu, Aug 5, 12:49 PM AKDT · 1879 days ago · 126 km deep · 51 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021a3uarso. Read Sun, Sep 27, 2026, 10:19 AM UTC.